Key Features

MCU

▪ 50MHz Arm® Cortex®-M0

o 32kB FLASH

o 8kB SRAM

o 256B INFO FLASH for manufacturing information

o 20 interrupts, 4 priority levels

▪ SWD programming interface

▪ Clock-gating for low-power operation

MCU ADC

▪ 10-bit 1MSPS SAR ADC

▪ Dual 8-channel ADC sequencer

Timing Generators

▪ Four 16-bit PWM timers with up to 8 CCR output units each

▪ 24-bit SysTick count-down timer

▪ Watch-dog Timer (WDT)

▪ AFE Windowed Watch-dog Timer (WWDT) running off independent clock

IO

▪ 3.3V/5V configurable drive output

▪ 17 general-purpose IO

▪ Digital Input, digital output, analog ADC input

▪ Configurable weak pull-up or pull-down

▪ Configurable drive-strength (8mA or 16mA)

▪ Flexible interrupt controller

Communication Peripherals

▪ UART or SPI and I2C/SMBus

▪ 8-bit UART, up to 1Mbps

▪ 3-wire or 4-wire SPI, master/slave

▪ I2C master/slave, 7b/10b

▪ Single-wire debugger (SWD)

Power Manager

▪ Up to 145V supply input Buck DC/DC Controller

o OC, OV and UV protection

▪ High-Voltage Charge Pump

▪ 5V/225mA system regulator

▪ Integrated LDOs for analog, IO, and core supplies

▪ Power and temperature monitor, warning, and fault detection

▪ Low-Power Operation

o 3μA total hibernate mode

o Push Button, PACK+ Charger Detect, and Timer wakeup modes

Configurable Analog Front-End (CAFETM)

▪ Programmable-Gain Differential amplifier and 16-bit Sigma-Delta ADC for battery pack current sense

▪ 16-bit Sigma-Delta ADC for voltage sense

▪ Integrated ADC references

▪ Programmable over-current shutdown

▪ Power supply monitoring via ADC

▪ Low-speed independent clock source

Application Specific Power Drivers (ASPDTM)

▪ Integrated high-side gate drivers for external CHG and DSG FETs

▪ Integrated low-side gate driver for pack FUSE blow FET

Integrated Cell Balancing

▪ Cell balancing for 20 cells up to 50mA

Packaging

▪ QFN 9x9mm 60-pin package, 0.5mm pitch

▪ Exposed pad for thermal management

Certifications

▪ TA = -40°C to 105°C